Comparison

ESS LINK vs GSL Smart ESS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ESS LINK

Monitor and control photovoltaic equipment remotely. View real-time operational data, historical performance, and fault logs. Adjust equipment settings like switches and working modes for efficient energy management.

Highlights
  • Remote data monitoring
  • Control photovoltaic equipment
  • View operational data
  • Access historical data
  • Manage equipment settings
  • QR code device entry
Features
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Remote data monitoring and control of photovoltaic equipment: By using QR codes or manually entering devices Equipment operation data: Display of equipment photovoltaic power generation, cost savings, and other operation data. Equipment historical data: display of equipment historical power generation and equipment historical faults. Equipment parameter settings: Change and control the switch and working mode of equipment operation.

About

GSL Smart ESS

Features
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GSL Energy provides monitoring solutions for various high and low voltage battery system devices, supporting battery systems, residential energy storage, and commercial and industrial energy storage systems.

Screenshots

ESS LINK4 screens
GSL Smart ESS4 screens

Verdict

The call

The clearest difference is update cadence: ESS LINK at every 5 weeks against GSL Smart ESS's every 9 months. ESS LINK also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ESS LINK ships an update every 5 weeks, GSL Smart ESS every 9 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
ESS LINK versus GSL Smart ESS: the parameters behind the verdict, then further details
ParameterESS LINKGSL Smart ESS
PriceFreeFree
Rating4.7 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 5 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size75 MB37 MB
Age rating17+4+
DeveloperSinexcel Electric Co,.Ltd.SHENZHEN GSL ENERGY CO LTD

In-app purchases

None

ESS LINK

No in-app purchases

None

GSL Smart ESS

No in-app purchases

Questions

Is ESS LINK free?
ESS LINK is free to download, with no in-app purchases.
Is GSL Smart ESS free?
GSL Smart ESS is free to download, with no in-app purchases.
Do ESS LINK or GSL Smart ESS have ads?
Neither ESS LINK nor GSL Smart ESS shows ads.
Which is updated more often, ESS LINK or GSL Smart ESS?
ESS LINK ships an update every 5 weeks, and GSL Smart ESS every 9 months. Most recently, ESS LINK was updated on October 8, 2026 and GSL Smart ESS on October 2, 2026.

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